29429666 has 16 divisors (see below), whose sum is σ = 50547456. Its totient is φ = 12588576.

The previous prime is 29429641. The next prime is 29429671. The reversal of 29429666 is 66692492.

It is a super-2 number, since 2×29429666² = 1732210481743112, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6935 + ... + 10341.

It is an arithmetic number, because the mean of its divisors is an integer number (3159216).

Almost surely, 2^29429666 is an apocalyptic number.

29429666 is a deficient number, since it is larger than the sum of its proper divisors (21117790).

29429666 is a wasteful number, since it uses less digits than its factorization.

29429666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4033.

The product of its digits is 279936, while the sum is 44.

The square root of 29429666 is about 5424.9116121832. The cubic root of 29429666 is about 308.7415719970.

The spelling of 29429666 in words is "twenty-nine million, four hundred twenty-nine thousand, six hundred sixty-six".